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Boletín de la Sociedad Española de Cerámica y Vidrio
Article . 2013 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Article . 2013
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Fluencia en materiales refractarios

Authors: Tomba Martinez, Analia Gladys; Luz, A. P.; Pandolfelli, V. C.;

Fluencia en materiales refractarios

Abstract

Refractory materials are widely used in various industrial fields due to their outstanding properties and performance in aggressive environments. However, although creep resistance is one of the most important properties for the selection of these materials, few researches were carried out focused on the fundamentals and technological understanding of their performance at high temperatures. In this context, this work addresses: 1) the creep mechanisms, 2) the mathematical models proposed for the analysis and to forecast the creep deformation at high temperature, 3) technical procedures and experimental testing, and 4) a critical analysis of some basic and practical aspects considering the literature available on this issue. Based on the collected information, mathematical models (such as the Projection θ concept) were considered as a powerful tool for the prediction of the refractories’ creep behavior, helping to identify the main creep mechanisms in these materials and to induce the development of optimized compositions able to attend the end-users requirements.Los materiales refractarios son ampliamente utilizados en diversos sectores industriales en virtud de sus excelentes propiedades y desempeño en ambientes agresivos. Sin embargo, a pesar de que la resistencia a la deformación por fluencia es una de las propiedades más importantes para la selección de esta clase de materiales, son pocos los trabajos abocados al entendimiento de los principios básicos y tecnológicos de su rendimiento a altas temperaturas. En este contexto, este trabajo aborda: 1) los mecanismos de fluencia, 2) los modelos matemáticos propuestos para el análisis y previsión de la deformación por fluencia a alta temperatura, 3) procedimientos técnicos y ensayos experimentales y 4) un análisis crítico de algunos aspectos básicos y prácticos, considerando la literatura disponible sobre el tema. A partir de la información recolectada, se considera que los modelos matemáticos (como el concepto de Proyección θ) constituyen una poderosa herramienta para la previsión del comportamiento a la fluencia de los refractarios, ayudando en la identificación de los principales mecanismos de fluencia de estos materiales e induciendo al desarrollo de composiciones optimizadas para atender las necesidades de sus usuarios finales.

Country
Argentina
Keywords

Clay industries. Ceramics. Glass, refractories, refractarios, creep, REFRACTARIOS, TP785-869, thermomechanical properties, FLUENCIA, https://purl.org/becyt/ford/2.5, propiedades termomecánicas, PROPIEDADES TERMOMECANICAS, https://purl.org/becyt/ford/2, fluencia

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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
Green
gold